Fungus Elemental [Weatherlight] SWSH038 I'm at a loss to

I'm at a loss to imagine the size of their prey

Set: Modern Masters 2015 Type: Creature — Elf Knight Rarity: Rare Cost: {1}{G/W}{G/W}{G/W} Other green creatures you control get +1/+1

negate this activation

and if it is a monster with the same Attribute as the target

Set: Ancient Prophecy Card type: Effect Monster Rarity: Ultimate Rare Attack: 2800 Defense: 2400 There can only be 1 face-up "Earthbound Immortal" monster on the field

Fungus Elemental [Weatherlight] SWSH038 I'm at a loss toSet: Weatherlight Type: Creature Fungus Elemental Rarity: Rare Cost: {3}{G} {G}, Sacrifice a Forest: Put a +2 +2 counter on Fungus Elemental. Activate only if Fungus Elemental entered the battlefield this turn. I rot growth and grow rot. What am I? Elvish riddle